* {
	margin: 0;
	padding: 0;
}

body,
html {
	width: 100%;
	height: 100%;
}
.clearfix {
	zoom: 1;
	display: inline-block;
}
.clearfix::before,
.clearfix:after {
	display: block;
	content: "";
	height: 0;
	line-height: 0;
	clear: both;
	visibility: hidden;
}